Medically reviewed by Brian T. Luong, DMD Hydrogen peroxide can whiten teeth by removing stains and substances that make them ...

Yes; you can gargle with diluted hydrogen peroxide. In fact, many mouthwashes contain some hydrogen peroxide. Learn how to ...

Hydrogen peroxide has a bleaching effect. You can use it, for instance, to improve the appearance of tile grout. But be careful using it on fabrics, as it can remove dye. Both products are ...

Products containing peroxides, such as hydrogen peroxide and carbamide peroxide, act as bleaching agents to change the color of the teeth. Peroxide can partially penetrate the layers of the teeth ...

The chemical compounds used in hair dye don’t last forever. They may break down or evaporate over time. For example, hydrogen peroxide has two hydrogen molecules and two oxygen molecules.

Some chemical reactions change temperature, change color, produce a gas, or make a solid from two liquids. Try this reaction and see what it does! Pour 1 tablespoon of hydrogen peroxide into a cup.